Sort-of memes that are cracking you up at the moment

Sure.
But if you want to do it properly and semi-pro, you'd go for some sort of system like Cokin with suitable adapters (especially if your lenses aren pro with constant diameter). Loads of fiddling about. Most people with bottom shelf DSLR shoot random shit to show off online.

So your comment about photoshop was pretty much irrelevant then.

And how does any of the above help a guy to fit his polariser on a different sized lens?

Didn't used to work for Jessops by any chance did you?